Method and apparatus for locking an elevator or transport system
US8925981B2 · kind B2 · utility
1Cited by
7References
8Claims
0Family size
Inventor
Key dates
| Filing date | Apr 18, 2011 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Nov 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1021
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A locking system for a hoistway door having an elongated casing, a slider member operatively connected to an electromechanical system for upward and downward movement of the slider. A keeper associated with the locking system allowing for secure locking and unlocking of the hoistway door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.